Original scientific paper

Intermittency and target fragments in muon-nucleus interactions at (420±45) GeV

Dipak Ghosh ; Nuclear and Particle Physics Research Centre, Department of Physics, Jadavpur University, Kolkata -700032, India
Argha Deb ; Nuclear and Particle Physics Research Centre, Department of Physics, Jadavpur University, Kolkata -700032, India
Syed Imtiaz Ahmed ; Nuclear and Particle Physics Research Centre, Department of Physics, Jadavpur University, Kolkata -700032, India
Parthasarathi Ghosh ; Nuclear and Particle Physics Research Centre, Department of Physics, Jadavpur University, Kolkata -700032, India

Abstract

This paper presents an analysis of angular distribution of target fragments in lepton nucleus interactions in terms of scaled factorial moments (SFMs) in one-dimensional space. A power-law type behaviour of normalised scaled factorial moments, popularly known as 'intermittency', is expressed with a decreasing phase space. Our data of target fragments reveal a similar type of increase in SFMs with decreasing bin width of the angular distribution in muon-nucleus interactions at (420±45) GeV. The new observation contradicts the existing concept of the evaporation model that the statistical equilibrium is reached before the emission of fragmented particles from residual target nuclei at high-energy nuclear interactions.

Keywords

lepton-nucleus interactions; target fragments; angular distribution; intermittency; scaled factorial moments

Hrčak ID:

304074

URI

https://hrcak.srce.hr/304074

Publication date:

1.7.2002.

Article data in other languages: croatian

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